大豆品种“延农9号”选育报告

Breeding of a new variety of soybean-Yannong-9

“延农 9号”是 1 987年延边农业科学研究院旱田研究所以合丰 2 5号为母本 ,以吉林 2 0号为父本进行杂交经多年培育而成的 .该品种需≥ 1 0℃积温 2 2 5 0℃左右 ,1 994～ 2 0 0 0年在各级产量试验中均表现早熟、高产、优质、多抗 ;2 0 0 1年 4月通过吉林省农作物品种审定委员会审定命名 ,适宜吉林省高寒山区、半山区早熟地区种植 ,种植密度一般为每公顷保苗 2 4～ 3 0万株 .

Yannong-9'was bred through hybridization between varieties of Hefeng 25(female parent) and Jilin-20 (male parent)by Yanbian Institute of Agricultural Science.Accumulated temperature that ≥10 ℃ is 2 250 ℃.According to the exam from 1994 to 2000,the variety have the characteristics of early maturity,high yield,good quality,strong resistance.It was examined and approved a popularized variety in mountain area by Jilin Crop Variety Committee on April 2001.The good plantirg density was 240～300 thousand plant per hectare.